Apparatus for coating flanged couplings



Feb. 23, 1932. H. M.- cooK ET AL APPARATUS FOR COATING FLANGED COUPLINGS Filed nec. 29, 192s 2 sheets-sheet 1 WITNESSES i lNvENToRs j uy 714.00075 mzzw/LHJzT/wrmiu l BY /d-G/ff/ i ATTORN EY Feb.2l`3, 1932. H. M. cooK ET AL 1,846,249

/ APPARATUS FOR COATING FLANGED COUPLINGS Filed nec. 29, 192s 2 sheets-Sheet. 2

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Z- ATTORNEY T152 v 2f INVENTORS 35 of the casing and which acts as an enclosure drawn by means `of a pump`4j manually o er- 40 from a heated container,A and the operation particular mechanism for operating the Patented Feb. 23, 1932 1 l `1,846,249

UNITED STATES PATENT oi-Fice- HUGH M. COOK, F ELKIN S PARK, I?FINNSYLVA-'N'IIA,` AND WILLIAM THOBNHILL, l 0F FLORAL PARK,NEW YORK, ASSIGNORS T0 WAILES, DOVE-HERMISTON COB-PGM*- APPARATUS Fon coArING FLANGED oouPLINGs Application ined neeeinber 29, 192s. Aserial Np. 329,259.

This invention relates to `an apparatus for rangements of parts which will be more fully coating flanged couplings and more specifiereinafter described and pointed out'in the cally to an `apparatus which facilitates the claims. f coating of flanged and bolted pipe couplings y In the accompanying drawings` 5 while the couplings are in position on the pipe Figure Il isa view, partly in elevation and 65 and in position to be loweredinto atrench. partly in section, illustrating our improved nV ipe Acouplings such asi'commonly emapparatus in operative position; ployed9 it is a difficult matter to properly coat igure 2 isan enlarged view in lon itudi` the coupling and particularly the lower pornal section through our improved casing lom tion ofthe coupling and the lower bolts formcatedon a pipe `and coupling, said pipe and ing a part thereof, and it is the broad pur- Coupling being shown in elevation,

pose of my invention to provide a removableV iigure 3` is a fragmentary seetional view, coupling and through the bottom of which pOltOllS 0f thelCSing t0 the PPQSBJ? GPPOSGl a supply of coating material is forced by sides ofthe coupling; y Y means of a pump orother analogous device lglllje 4 S'IL View kGITl SC0I1 II the so that the coating material will rise in the linerflll'of' Figure 2, showing the casing casing and thoroughly coat the coupling and partially iilled Withenamel; f all of its parts, with the possible` exception F igure `is a viewV in transversey section of an upper bolt and a portion of the upper lllOllgh the COUpllg after 'the ASamehSbfIl part ofthe coupling, which can bek readily completely coated with enamel; y coated by hand. l i igure- 6 is ai View in longitudinal section It is to be understood that we employ the through ,the pipes and coupling afterthe term coating in its broadest sense to include enameling operation is completed;

any material which may flow in liquid form Figure 7 is a fragmentary view in eleva` andwhich is adapted for the purpose. This tion of a forked lever which may be utilized coating is commonly called enamel in the 1n clamping the covering in position. trade, and We shall hereinafter referto this ur'iniproved apparatusincludes a supply y coating as enamel butlwith the understandtank` 1, which is preferablyof the wheeled ingthat the term is used to include any coat-` Y type and inwhich theenamel 2 may be kept no` material, e e y in molten form through thelmedium ofany" ur invention includes the provision of a Source of heat. A l

removable, more or lessflexible' casing, which 3represent`s` a pipe fwhichlextends into "the islclaniped around the pipes at opposite ysides fluid enamel and through which the enamel is or partial enclosure for the coupling together ated by a `crank wheel operatively conwith. a hose communicating with the lower nected to the pumpfthrough the medium of portion of the casing and through which hot shafts 7 e and 8` andmitei" gears 9', although Y enamel in liquid form is forced by a "pump of course the invention is not limited to anyy of the pump is preferably `controlled manupump. i t op ally so that the enamel may fill the casing The pipe 9 extends outwardly from the from the bottom upwardly, and the surplus tank l` and has a flexible hose or `pipe 10 which does not adhere to the parts of the connected thereto, andlthis pipelOis secured eoupiingcan be withdrawn through the botto and isin lopen conimunication` with the 95y tom of the casing and returned to theV source bottom of our improved casing 1l. e ofsupply. ll t The casing `1lmay` becompoised` of'any 1, `Wi`th these and other objects in view, the suitablemateriallbutwe preferably employe invention consists in certainynovel features suitable bandlQaroundwhich'a water roof l) oflconstruc'tion and combinations and arl abrio covering 13 is secured, and this abric `100 covering 13 eXtends beyond the endsof the and a casing around the coupling member band 12 and is of general conical form conwhich enables the pump to ill or partially stituting tapering ends 14 on the casing, said lill the casing and thoroughly coat the coutapering ends having cables 15 secured therepling throughthe medium of a supply from J in so as to provide a construction of sufficient the bottoml of the casing, andthe latter to 70 strength to enablethe conical ends to be draw off this-surplus coating leaving the grippedl around pipes 16, 16 at the opposite coupling or that portion thereof difficult to sides of the coupling to be coated. coat thoroughly treated.V

VlnlFigure 2 a-.standardtype of couplingis- VLnthe operationof thedevioeat .thefplaee- 13 illustrated, Whichincludes a-couplingring'17v ofworkit is common todi a-,trenchQforrthe 75 having flanged rings 18 at itsends'secured to reception. of the pipe' an place supports 27 gether by bolts 19 and nuts 20. across the ditch during the coupling of the The casing 11 is ofsuchy material that-it pipe sectionsandlthecoating of the pipes, as may be readily opened and closed, that is to V,indicated in FigureV 1 of the drawings, an *5 say, the casing is not a continuous circle' but our apparatus is adapted for use in coating 80 constitutes an openencasement.Withthe ends the couplings of. pipe whenthe pipe, isiso brought together atthe top, andtheends of` positioned.. Inother. words,.lthe.apparatusisy the-casing are preferably provided WithhoolrsA for field use or at the point ofY Workasdis'Z-.i 21 which engage over the upperbolt 19v and tinguished from-a factory. operation,.andthe. 20 hold the intermediate portion. of the casing means employed` are most` eflicientrfrthe. 85 inrproper'formation around the coupling,V purpose stated. y y Y The conical or tapering and flexible ends In practice, itis commontocoat thepipes ofthe casinga-reclampedtightly around the leaving the endportionsfreefofcoatinguntil pipes'l Aso as toprevent the :enamel from after ythe couplingisin place andsthenroati. runningy out of the ends oftheI casing. To thecoupling, and theendportions ofthe pipe.` permit this clamping or securing., .action of lith my improvedA apparatus when.. the cous the ends of the casing, We preferablyy propling and'end portionsof the pipe are coated, vide said end portions with eyes 23 and eina small'spac'e,.as indicated at 28in Figure 6 ploy aH forked 'lever 4 24,: suoliv as'lslioivn 1nV isuncoated and this must be coated by hand.. Figure? l A. l Various changes and alterations might be.. 35 iThe furcations ofthis bifurcated Or forked made inthe generalx form 0f. the par/(QS: de-: lever have hooks 25thereonvvhich engage in j scribed Without departing, from our inventhe eyes 23 of theendportionsof the casing, tion and hence .We do not limit `ourselveszto. and: when. said` lever isswung to the left. 0f the .precise details set forth-but,considerour- 35 Figure 3 these( end portions of the. casing selves at liberty tomake such ,changes-and, 100 i Will be tightlyclamped about', the pipes and alterations as fairl fall Within the: power are so heldduringthe 'operation'.of the coatandscope of the appended claims.,j i ing of the coupling and a. small portion of We claim:

each pipe adjacentthe coupling. Y Y v V1. An. apparat sfor. coating flanged: cou-2 The operationis asfollows: n y pli'ngsfincluding a source ofsupply,airgunov-A 102 `After the casing 11 is clamped .around the able casing having an opening at itsaupp'er.v pipes andxenclosedfthe coupling, as above portion: and. adapted. to betemporarily ser Y explained, thev pump4 4 is operated-to fonce y cured .around and enclosea. eoupling,means.- Vthe' liquid-enamelf'into the bottom ofthe at vthe edges of thecasing togrip thepi v casing and through'the casing; upto thede.y and` prevent leakage andY @pump adapte' 110 i' siredlevel.V` Apractical level for efficiency force liquid coating into the bottomlof-,the

is indicated in Figure 4, andafterzthe coucasingltoimmersethe coupling-,inthe coating 'Apling is subjected tothe enamel for a` suliiandl-thendravv, he .surplus coatingffromthe. i

cient length of time, which is a ery short casing back to thesourceof supply., v

Y time, to enable the parts to be horoughly 2.1 An. apparatus of, the` character. de- 115 coate'diwith the. enamel,thepump 4 is rescribed, includinga casing havingan ,openingT versed and theV surplus enamel is drawn. ofi atits upper portionand adapted tobe located.

throughthe bottomv of the casingl and rearounda coupling, taperingflex-ibleendson turned to the tank 1.` The `upper'portionof the casing, meansfor .clamping theVV ends. 5?. the coupling andthe upper-*bolt which Vare around the pipes adjacent the1couplingl andnot properly coated Ymay be easily coated forming a- :liquid enclosure, a pipecommun-i-- byhand so that all parts Vof the Acoupling catingwith thebottomoftheflowerportion. are thoroughly coated with the enamel, as of.:the-casing.,l and-:apump operatively cone illustrated in Figure 5 ofthe drawings. nectedtothepipe andadaptedto force aasup 60 It is of course to be understood. thatthe plyy of liquid. co tinginto the casing: an 12 invention is not limitedto the specific de- Withdraw` the sametherefrom.A y

tails of construction of the casing-nor to the 3'.' An apparatus of the character; stated, specific form of enamel? supply device, as We including ay removablesplit casing havingI desireA to kcover broadlyl the idea 'of some an openingat its upper portionandadapted;V supply device in combinationfvvith" a pump t'o'be positi'onedgaround a pipe` coupling, 1

of the casin to means for clamping the ends pling, a flexible the pipes adjacent the cou ose or pipe connected to the bottom of the casing, and a manually operated pump com- 4..An apparatus of the character de scribed, including a casing adapted to be positioned around les secured therein, eyes on said ca les, a forked lever having hooks thereon receiving the eyes and adapted to clamp the ends of the casing around pipes adjacent the coupling, and means for supplying liquid coating through the bottom of the casing and Witl d therefrom.

1 rawing the same An apparatus of the character described, including a casing adapted to be positioned around a coupling, hooks on the casing adapted to engage a bolt of the coupling,

tapering flexible ends on the coupling, eyes on said flexible ends, to clamp the ends of the casing around pipes adjacent the couplin means for supplying liquid coating throng the bottom of the casing and withdrawing the same therefrom, sai means including a manually operated pump, and a source of coating supply.

Signed at New York, in thel county of New York, and State of New York, this 27th day of December, A. D. 1928.

HUGH M. COOK.

WILLIAM H. T. THORNHILL. 

